{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:PXYIDH22IRNHZK65OKNZMA72FT","short_pith_number":"pith:PXYIDH22","canonical_record":{"source":{"id":"1201.4215","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-20T06:33:51Z","cross_cats_sorted":[],"title_canon_sha256":"05d13438512c484be1331fd72bb5030e4458be4185290423a56a4bac81c518d7","abstract_canon_sha256":"5d54bb0ba4b2ce9958e16f427a29fadc547bc78b0c8f0a10acf35ca1da3bb01d"},"schema_version":"1.0"},"canonical_sha256":"7df0819f5a445a7cabdd729b9603fa2cfc9df227e3d2478f8555f4a0794cacb2","source":{"kind":"arxiv","id":"1201.4215","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4215","created_at":"2026-05-18T01:58:46Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4215v1","created_at":"2026-05-18T01:58:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4215","created_at":"2026-05-18T01:58:46Z"},{"alias_kind":"pith_short_12","alias_value":"PXYIDH22IRNH","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PXYIDH22IRNHZK65","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PXYIDH22","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:PXYIDH22IRNHZK65OKNZMA72FT","target":"record","payload":{"canonical_record":{"source":{"id":"1201.4215","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-20T06:33:51Z","cross_cats_sorted":[],"title_canon_sha256":"05d13438512c484be1331fd72bb5030e4458be4185290423a56a4bac81c518d7","abstract_canon_sha256":"5d54bb0ba4b2ce9958e16f427a29fadc547bc78b0c8f0a10acf35ca1da3bb01d"},"schema_version":"1.0"},"canonical_sha256":"7df0819f5a445a7cabdd729b9603fa2cfc9df227e3d2478f8555f4a0794cacb2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:46.402255Z","signature_b64":"HatZO9qSoC3Chg5eXFKyf8JXjX+Lf5mPGLHtRp5pUqR4GlBBArY9Xoa94vO+cwEKkSLr7BiGNkhBOaQS7UTBCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7df0819f5a445a7cabdd729b9603fa2cfc9df227e3d2478f8555f4a0794cacb2","last_reissued_at":"2026-05-18T01:58:46.401375Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:46.401375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.4215","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:58:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n71hSwRCVLo4F6z7/ik99te48Qt1Cm6B68tAXO5Qq6mG8txXttVZbfmoFcTBzcZPrp2wciIp0V+UdWsvgxAkCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:07:18.185002Z"},"content_sha256":"0bfa5fc661719818486fac4fc07f4e3dea7293640a258170b4938c66d00f99b5","schema_version":"1.0","event_id":"sha256:0bfa5fc661719818486fac4fc07f4e3dea7293640a258170b4938c66d00f99b5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:PXYIDH22IRNHZK65OKNZMA72FT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinematics of an untwisting solar jet in polar coronal hole observed by SDO/AIA","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Huadong Chen, Jun Zhang, Suli Ma","submitted_at":"2012-01-20T06:33:51Z","abstract_excerpt":"Using the multi-wavelength data from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory (SDO) spacecraft, we study a jet occurred in coronal hole near the northern pole of the Sun. The jet presented distinct helical upward motion during ejection. By tracking six identified moving features (MFs) in the jet, we found that the plasma moved at an approximately constant speed along the jet's axis, meanwhile, they made a circular motion in the plane transverse to the axis. Inferred from linear and trigonometric fittings to the axial and transverse heights of the six track"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4215","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:58:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"47J0i6P9E+iAWz2Z7G2oWrTKgm7gHBmMhyalyYNXK5GrvxU+4mGHx/pkm3QjZsvXb7Oyh+Z7Rizme52tSwgbAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:07:18.185364Z"},"content_sha256":"55d6f714bcd13c4c616d00a29fbc4e54a8efd8efb5ddafdadd7ec258a9971564","schema_version":"1.0","event_id":"sha256:55d6f714bcd13c4c616d00a29fbc4e54a8efd8efb5ddafdadd7ec258a9971564"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PXYIDH22IRNHZK65OKNZMA72FT/bundle.json","state_url":"https://pith.science/pith/PXYIDH22IRNHZK65OKNZMA72FT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PXYIDH22IRNHZK65OKNZMA72FT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-31T20:07:18Z","links":{"resolver":"https://pith.science/pith/PXYIDH22IRNHZK65OKNZMA72FT","bundle":"https://pith.science/pith/PXYIDH22IRNHZK65OKNZMA72FT/bundle.json","state":"https://pith.science/pith/PXYIDH22IRNHZK65OKNZMA72FT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PXYIDH22IRNHZK65OKNZMA72FT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:PXYIDH22IRNHZK65OKNZMA72FT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"5d54bb0ba4b2ce9958e16f427a29fadc547bc78b0c8f0a10acf35ca1da3bb01d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-20T06:33:51Z","title_canon_sha256":"05d13438512c484be1331fd72bb5030e4458be4185290423a56a4bac81c518d7"},"schema_version":"1.0","source":{"id":"1201.4215","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4215","created_at":"2026-05-18T01:58:46Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4215v1","created_at":"2026-05-18T01:58:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4215","created_at":"2026-05-18T01:58:46Z"},{"alias_kind":"pith_short_12","alias_value":"PXYIDH22IRNH","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PXYIDH22IRNHZK65","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PXYIDH22","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:55d6f714bcd13c4c616d00a29fbc4e54a8efd8efb5ddafdadd7ec258a9971564","target":"graph","created_at":"2026-05-18T01:58:46Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Using the multi-wavelength data from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory (SDO) spacecraft, we study a jet occurred in coronal hole near the northern pole of the Sun. The jet presented distinct helical upward motion during ejection. By tracking six identified moving features (MFs) in the jet, we found that the plasma moved at an approximately constant speed along the jet's axis, meanwhile, they made a circular motion in the plane transverse to the axis. Inferred from linear and trigonometric fittings to the axial and transverse heights of the six track","authors_text":"Huadong Chen, Jun Zhang, Suli Ma","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-20T06:33:51Z","title":"Kinematics of an untwisting solar jet in polar coronal hole observed by SDO/AIA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4215","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:0bfa5fc661719818486fac4fc07f4e3dea7293640a258170b4938c66d00f99b5","target":"record","created_at":"2026-05-18T01:58:46Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"5d54bb0ba4b2ce9958e16f427a29fadc547bc78b0c8f0a10acf35ca1da3bb01d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-20T06:33:51Z","title_canon_sha256":"05d13438512c484be1331fd72bb5030e4458be4185290423a56a4bac81c518d7"},"schema_version":"1.0","source":{"id":"1201.4215","kind":"arxiv","version":1}},"canonical_sha256":"7df0819f5a445a7cabdd729b9603fa2cfc9df227e3d2478f8555f4a0794cacb2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7df0819f5a445a7cabdd729b9603fa2cfc9df227e3d2478f8555f4a0794cacb2","first_computed_at":"2026-05-18T01:58:46.401375Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:46.401375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HatZO9qSoC3Chg5eXFKyf8JXjX+Lf5mPGLHtRp5pUqR4GlBBArY9Xoa94vO+cwEKkSLr7BiGNkhBOaQS7UTBCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:46.402255Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.4215","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0bfa5fc661719818486fac4fc07f4e3dea7293640a258170b4938c66d00f99b5","sha256:55d6f714bcd13c4c616d00a29fbc4e54a8efd8efb5ddafdadd7ec258a9971564"],"state_sha256":"7b55a33dd8339c7ad6fc48503dab11f66f990eec6788907a45af0bf5f2a9cb46"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n46ncxZROFlSSvLvi7uxMGb7Te6v1GEtqXsmSwuPLEOySviaaEJunOViohp7KmeYu79SutTZdBsyGALRI0oyCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T20:07:18.187710Z","bundle_sha256":"aeb560e07a99d31616dc9bbc0b64a57dcd10c9b854a09d697b24cec5025efacf"}}